Description Accessories Description The Meriam Pete's Plug Gauge Adapter Kit contains a 1/8" NPT needle and is an accessory for the Meriam M201 Enhanced Rotary Gas Meter Tester and the Meriam M202 Absolute Manometer. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories Meriam Precision Absolute Manometer M202 Meriam Enhanced Rotary Gas Meter Tester M201